A flat welding device for mobile phone middle frame copper sheet

Abstract

The invention discloses a plane welding device for copper sheets of a mobile phone middle frame, relates to the field of copper sheet processing, solves the problem that it is difficult to perform efficient laser welding on different positions of copper sheets according to the types of copper sheets in existing copper sheet welding, and adopts the following scheme: it comprises a frame, a copper sheet carrier assembly and a copper sheet positioning assembly are fixedly installed on the front side of the frame, a copper sheet picking assembly is fixedly installed on the top of the frame, a copper sheet transfer assembly is arranged on the outside of the copper sheet picking assembly, a copper sheet pressure claw assembly is arranged above the copper sheet transfer assembly, a middle frame platform assembly is fixedly installed on the top of the frame, and a copper sheet spot welding assembly is also arranged on the outside of the middle frame platform assembly; the plane welding device for copper sheets of a mobile phone middle frame, through the arrangement of various components, can cooperate with each other to perform positioning, picking and full-automatic transfer of copper sheets, and the copper sheet spot welding assembly performs positioning laser welding on corresponding positions on the copper sheets according to requirements to ensure the welding effect.

Description

Technical Field

[0001] The present invention relates to the technical field of copper sheet processing, in particular to a plane welding device for a copper sheet of a mobile phone middle frame. Background Art

[0002] During the processing of the copper sheet of the mobile phone middle frame, the copper sheet needs to be spot welded automatically to ensure its spot welding quality;

[0003] After searching, the application with patent number 201820267976.9 discloses an automatic copper sheet welding device, including a horizontally arranged workbench, a first loading device, a transfer device, and a second loading device are provided on the top of the workbench, a first welding device is provided on one side of the transfer device, a first guiding device is provided next to the first welding device, a second welding device is provided on the other side of the transfer device, and a second guiding device is provided next to the second welding device, the first guiding device, the first welding device, the second guiding device, and the second welding device are all arranged on the top of the workbench, the transfer device includes a mounting frame and a first driving cylinder, the output end of the first driving cylinder is provided with a connecting plate, the top of the connecting plate is provided with a rotating assembly, and the top two sides of the rotating assembly are respectively provided with a first clamping assembly and a second clamping assembly. The utility model has a simple structure and a high level of automation, reduces manual labor, and improves production efficiency;

[0004] The above application document realizes fully automatic processing by setting up components such as flipping and guiding spot welding of copper sheets, but it is not able to spot weld multiple copper sheets on the same surface according to the actual type of copper sheets, and the accuracy needs to be improved.

[0005] Therefore, we proposed a planar welding device for the copper sheet of the mobile phone middle frame. Summary of the Invention

[0006] Aiming at the shortcomings of the existing technology, the present invention solves the problem that it is difficult to perform efficient laser welding on different positions of copper sheets according to the type of copper sheets.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a flat welding device for copper sheets of a mobile phone middle frame, comprising a frame, a copper sheet carrier assembly and a copper sheet positioning assembly are fixedly mounted on the front side of the frame, a copper sheet picking assembly located on the inner side of the copper sheet carrier assembly is fixedly mounted on the top of the frame, a copper sheet transfer assembly matching its specifications is also provided on the outside of the copper sheet picking assembly, a copper sheet pressing claw assembly is provided above the copper sheet transfer assembly, a middle frame platform assembly located on the outside of the copper sheet pressing claw assembly is fixedly mounted on the top of the frame, and a copper sheet spot welding assembly for performing flat welding on the copper sheet is also provided on the outside of the middle frame platform assembly.

[0008] As a preferred embodiment of the flat welding equipment for mobile phone middle frame copper sheets of the present invention, the frame includes an electric control, an air source, a control panel, a door safety interlock, and an air filter. A conveyor assembly is fixedly mounted on the top of the frame. The main body of the conveyor assembly is a loading and unloading belt line, and a middle frame guide assembly is assembled on the top side of the conveyor assembly.

[0009] The frame plays the role of support, protection, appearance, operation, etc., and the transmission component can transport the copper sheet.

[0010] As a preferred embodiment of the flat welding device for copper sheets of a mobile phone middle frame according to the present invention, the main body of the middle frame material guide assembly is a four-axis robot, a vacuum suction cup is fixedly mounted on the output end of the four-axis robot, and the middle frame material guide assembly is arranged above the middle frame platform assembly;

[0011] Among them, the specification model of the four-axis robot in the middle frame material guide assembly is CR4115, and the model of the vacuum suction cup is ZP3-Y10BNJ3-U6. There are eight groups of vacuum suction cups, which can adsorb and accurately transfer copper sheets after flat welding.

[0012] As a preferred embodiment of the flat welding equipment for copper sheets of a mobile phone middle frame according to the present invention, the main body of the copper sheet carrier assembly is a copper sheet carrier feeder, and the copper sheet picking assembly includes a servo motor and a screw module of matching specifications. Eight sets of stepper motors are fixedly mounted on the screw module, and a suction nozzle is fixedly mounted at the bottom end of each set of stepper motors.

[0013] Among them, the copper sheet carrier assembly can select the feeder specifications according to the carrier width, and the setting of the carrier feeder can take materials for copper sheets of different specifications accordingly.

[0014] As a preferred solution of the flat welding equipment for the copper sheet of the mobile phone middle frame of the present invention, the copper sheet transfer assembly is provided with a set of screw modules and servo motors with matching specifications, and a transfer platform is fixedly installed on the top of the screw module;

[0015] Among them, the model of the screw module in the copper sheet transfer assembly is GTH8-L10-350-BC-M40-C3, and the model of the servo motor is X2MH040A-N2LN. The servo motor can drive the screw module and the transfer platform on it to move horizontally, thereby efficiently transferring the copper sheet placed on its top side.

[0016] As a preferred solution of the flat welding equipment for the copper sheet of the mobile phone middle frame described in the present invention, the copper sheet spot welding assembly is equipped with three sets of matching screw modules and servo motors, and the copper sheet spot welding assembly is also provided with a laser kit for laser spot welding the copper sheet; wherein, the models of the three sets of screw modules in the copper sheet spot welding assembly are ETH17-L20-450-BC-M40-C4, ETH14-L10-150-BC-M40-C4 and TH13-L05-100-BC-M40-C4, respectively, and the models of the three sets of servo motors are unified as X2MH040A-N2LN, which can perform three-axis adjustment of the laser kit, thereby performing efficient laser spot welding at any position on the copper sheet to ensure the flat welding effect.

[0017] As a preferred solution of the flat welding equipment for the copper sheet of the mobile phone middle frame of the present invention, the copper sheet pressing claw assembly is provided with a cylinder and a guide rail adapted to its specifications, and the copper sheet pressing claw assembly is also provided with a pressing claw for press-fitting and limiting the copper sheet;

[0018] Among them, the setting of the copper sheet pressing claw assembly can grab the copper sheet on the copper sheet transfer assembly and stick it to the middle frame platform assembly to ensure the transfer effect.

[0019] As a preferred solution of the flat welding equipment for the copper sheet of the mobile phone middle frame of the present invention, the middle frame platform assembly is provided with a set of supporting screw modules and servo motors, and a middle frame jig is fixedly installed on the top of the screw module;

[0020] Among them, the models of the screw module and servo motor in the middle frame platform assembly are the same as those of the screw module and servo motor in the copper sheet transfer assembly, and the middle frame fixture is made of black bakelite.

[0021] As a preferred solution of the flat welding equipment for the copper sheet of the mobile phone middle frame of the present invention, a code scanning frame is fixedly installed on the top of the frame, and the code scanning frame is equipped with a main code scanning component for MES scanning the QR code on the top side of the copper sheet and a secondary code scanning component for MES scanning the bottom side of the copper sheet;

[0022] Among them, the auxiliary scanning component is equipped with a lower scanning component, which is used to perform MES scanning on the middle frame with the QR code facing downward, while the main scanning component can realize post-welding middle frame detection and MES scanning with the QR code facing upward.

[0023] As a preferred solution of the flat welding equipment for the copper sheet of the mobile phone middle frame of the present invention, the copper sheet positioning component, the copper sheet picking component and the copper sheet transfer component are all provided with a CCD camera for visual positioning of the copper sheet;

[0024] Among them, the setting of each group of CCD cameras can perform real-time visual monitoring during positioning, material collection and transfer to ensure processing accuracy.

[0025] The present invention provides a planar welding device for copper sheets in the middle frame of a mobile phone. It has the following beneficial effects:

[0026] 1. This flat welding equipment for the copper sheet of the mobile phone middle frame can coordinate with each other to locate and pick up the copper sheet and automatically transfer it through the settings of various components. The copper sheet spot welding component then performs laser welding on the corresponding positions on the copper sheet as required, ensuring the welding effect. This solves the problem of existing copper sheet welding that it is difficult to perform efficient laser welding on different positions on the copper sheet according to the type of copper sheet.

[0027] 2. The flat welding equipment for the copper sheet of the mobile phone middle frame can be used to perform efficient press-fitting limiting and transfer of the copper sheet through the setting of the copper sheet pressure claw assembly and the middle frame material guide assembly to ensure the transfer accuracy. At the same time, it has a high degree of automation and is suitable for fully automatic and efficient material transfer with high adaptability.

[0028] 3. The flat welding equipment for the copper sheet in the middle frame of the mobile phone can efficiently scan the corresponding components through the setting of the secondary scanning component and the main scanning component, and then can record the key information of the welding process in real time, realize the visual management of the welding process and other functions. At the same time, the setting of CCD cameras in multiple components can efficiently locate their positioning effects and ensure positioning accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of the present invention;

[0030] Figure 2 This is a schematic structural diagram of the copper sheet taking assembly of the present invention;

[0031] Figure 3 This is a schematic structural diagram of the middle frame material guide assembly of the present invention;

[0032] Figure 4 This is a schematic structural diagram of the copper sheet spot welding assembly of the present invention;

[0033] Figure 5 This is a schematic structural diagram of the copper sheet transfer assembly of the present invention;

[0034] Figure 6 This is a schematic structural diagram of the copper sheet middle frame platform assembly of the present invention;

[0035] Figure 7 It is a structural schematic diagram of the copper sheet pressing claw assembly of the present invention.

[0036] In the figure: 1. Frame; 2. Conveyor assembly; 3. Copper sheet positioning assembly; 4. Copper sheet carrier assembly; 5. Copper sheet picking assembly; 51. Stepper motor; 52. Suction nozzle; 6. Copper sheet transfer assembly; 61. Transfer platform; 7. Copper sheet pressure claw assembly; 71. Cylinder; 72. Guide rail; 73. Pressure claw; 8. Copper sheet spot welding assembly; 81. Laser kit; 9. Middle frame platform assembly; 91. Middle frame fixture; 10. Middle frame material guide assembly; 101. Four-axis robot; 102. Vacuum suction cup; 11. NG belt line; 12. Auxiliary code scanning assembly; 13. Main code scanning assembly; 14. Screw module; 15. Servo motor. DETAILED DESCRIPTION

[0037] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0038] See also Figure 1-7 The embodiment of the present invention provides a technical solution: a plane welding device for copper sheets of a mobile phone middle frame, comprising a frame 1, a copper sheet carrier assembly 4 and a copper sheet positioning assembly 3 fixedly mounted on the front side of the frame 1, a copper sheet picking assembly 5 located inside the copper sheet carrier assembly 4 fixedly mounted on the top of the frame 1, a copper sheet transfer assembly 6 of matching specifications is further disposed on the outside of the copper sheet picking assembly 5, a copper sheet pressing claw assembly 7 is disposed above the copper sheet transfer assembly 6, a middle frame platform assembly 9 located outside the copper sheet pressing claw assembly 7 is fixedly mounted on the top of the frame 1, and a copper sheet spot welding assembly 8 for performing plane welding on the copper sheet is further disposed on the outside of the middle frame platform assembly 9;

[0039] Among them, the flat welding equipment for the copper sheet of the middle frame of the mobile phone can cooperate with each other to position and pick up the copper sheet and transfer it automatically through the settings of various components. The copper sheet spot welding component 8 can perform positioning laser welding on the corresponding positions on the copper sheet according to needs to ensure the welding effect, which solves the problem that the existing copper sheet welding is difficult to perform efficient laser welding on different positions on the copper sheet according to the type of copper sheet.

[0040] Example 2:

[0041] The rack 1 includes electronic control, air source, control panel, door safety interlock, and air filtration. A conveyor assembly 2 is fixedly installed on the top of the rack 1. The main body of the conveyor assembly 2 is a loading and unloading belt line, and the top side of the conveyor assembly 2 is equipped with a middle frame guide assembly 10. Among them, the rack 1 plays the role of support, protection, appearance, and operation, and the conveyor assembly 2 can transport copper sheets.

[0042] The main body of the middle frame material guide assembly 10 is a four-axis robot 101, and a vacuum suction cup 102 is fixedly installed at the output end of the four-axis robot 101. The middle frame material guide assembly 10 is arranged above the middle frame platform assembly 9; among them, the specification model of the four-axis robot 101 in the middle frame material guide assembly 10 is CR4115, and the model of the vacuum suction cup 102 is ZP3-Y10BNJ3-U6. There are eight groups of vacuum suction cups 102, which can adsorb and accurately transfer copper sheets after flat welding.

[0043] Example 3:

[0044] The main body of the copper sheet carrier assembly 4 is a copper sheet carrier flyer, and the copper sheet picking assembly 5 includes a servo motor 15 and a screw module 14 with matching specifications. Eight groups of stepper motors 51 are fixedly installed on the screw module 14, and a suction nozzle 52 is fixedly installed at the bottom end of each group of stepper motors 51; wherein, the copper sheet carrier assembly 4 can select the flyer specifications according to the carrier width, and the setting of the carrier flyer can pick up copper sheets of different specifications accordingly.

[0045] The copper sheet transfer assembly 6 is provided with a set of screw modules 14 and servo motors 15 with matching specifications, and a transfer platform 61 is fixedly installed on the top of the screw module 14; wherein, the model of the screw module 14 in the copper sheet transfer assembly 6 is GTH8-L10-350-BC-M40-C3, and the model of the servo motor 15 is X2MH040A-N2LN. The servo motor 15 can drive the screw module 14 and the transfer platform 61 thereon to move horizontally, thereby efficiently transferring the copper sheet placed on its top side.

[0046] Example 4

[0047] The copper sheet spot welding assembly 8 is equipped with three sets of supporting screw modules 14 and servo motors 15, and the copper sheet spot welding assembly 8 is also provided with a laser kit 81 for laser spot welding of the copper sheet;

[0048] Among them, the models of the three sets of lead screw modules 14 in the copper sheet spot welding assembly 8 are ETH17-L20-450-BC-M40-C4, ETH14-L10-150-BC-M40-C4 and TH13-L05-100-BC-M40-C4, and the models of the three sets of servo motors 15 are unified as X2MH040A-N2LN, which can perform three-axis adjustment of the laser kit 81, thereby performing efficient laser spot welding at any position on the copper sheet to ensure the flat welding effect.

[0049] The copper sheet pressing claw assembly 7 is provided with a cylinder 71 and a guide rail 72 adapted to its specifications, and the copper sheet pressing claw assembly 7 is also provided with a pressing claw 73 for pressing and limiting the copper sheet; wherein, the setting of the copper sheet pressing claw assembly 7 can grab the copper sheet on the copper sheet transfer assembly 6 and at the same time stick it to the middle frame platform assembly 9 to ensure the transfer effect.

[0050] A set of matching screw modules 14 and servo motors 15 are provided in the middle frame platform assembly 9, and a middle frame fixture 91 is fixedly installed on the top of the screw module 14; wherein, the models of the screw module 14 and the servo motor 15 in the middle frame platform assembly 9 are the same as the models of the screw module 14 and the servo motor 15 in the copper sheet transfer assembly 6, and the middle frame fixture 91 is made of black bakelite.

[0051] In addition, the flat welding equipment for the copper sheet of the middle frame of the mobile phone can be used to perform efficient press-fitting limiting and transfer of the copper sheet through the arrangement of the copper sheet pressure claw assembly 7 and the middle frame material guide assembly 10, thereby ensuring the transfer accuracy. At the same time, it has a high degree of automation and is suitable for fully automatic and efficient material transfer with high adaptability.

[0052] Example 5:

[0053] A barcode scanning frame is fixedly installed on the top of the frame 1, and the barcode scanning frame is equipped with a main barcode scanning component 13 for MES scanning the QR code on the top side of the copper sheet and a secondary barcode scanning component 12 for MES scanning the bottom side of the copper sheet; wherein, the secondary barcode scanning component 12 is provided with a lower barcode scanning component for MES scanning the middle frame with the QR code facing downward, while the main barcode scanning component 13 can realize the middle frame detection after welding and MES scanning of the QR code facing upward.

[0054] The copper sheet positioning component 3, the copper sheet picking component 5 and the copper sheet transfer component 6 are all equipped with CCD cameras for visual positioning of the copper sheet; among them, the setting of each group of CCD cameras can perform real-time visual monitoring during positioning, picking and transfer to ensure processing accuracy.

[0055] The flat welding equipment for the copper sheet of the mobile phone middle frame can utilize the arrangement of the copper sheet pressing claw assembly 7 and the middle frame material guide assembly 10 to perform efficient press-fitting limiting and transfer of the copper sheet, thereby ensuring transfer accuracy. At the same time, it has a high degree of automation and is suitable for fully automatic and efficient material transfer with high adaptability.

[0056] The flat welding equipment for the copper sheet of the mobile phone middle frame can efficiently scan the corresponding components through the setting of the auxiliary scanning component 12 and the main scanning component 13, and then can record the key information of the welding process in real time, realize the visual management of the welding process and other functions. At the same time, the setting of CCD cameras in multiple components can efficiently locate their positioning effects and ensure positioning accuracy.

[0057] The working principle and usage process of the present invention are as follows: when the device is required to efficiently weld the copper sheet plane, the copper sheet is picked up by the carrier feeder in the copper sheet carrier assembly 4 and transported to the copper sheet positioning assembly 3 for CCD positioning and photographing, and further picked up by the copper sheet material taking assembly 5 and placed in the copper sheet transfer assembly 6, and then the copper sheet pressure claw assembly 7 grabs the copper sheet in the copper sheet transfer assembly 6 and places it in the middle frame platform assembly 9, and the laser kit 81 in the copper sheet spot welding assembly 8 performs laser spot welding on the corresponding position of the copper sheet, and is subjected to MES scanning monitoring by the auxiliary code scanning assembly 12 and the main code scanning assembly 13, and finally is grabbed by the middle frame material guide assembly 10 and outputted to the conveying assembly 2, thereby ensuring automatic laser welding of the copper sheet and fully automatic and efficient welding processing.

[0058] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, from all perspectives, the embodiments should be regarded as illustrative and non-restrictive. The scope of the present invention is defined by the appended claims, not the foregoing description, and it is intended that all variations that come within the meaning and range of equivalents of the claims be included within the present invention. Any reference signs in the claims should not be construed as limiting the claim to which they relate.

[0059] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A flat welding device for copper sheets in the middle frame of a mobile phone, characterized by: The invention comprises a frame, wherein a copper sheet carrier assembly and a copper sheet positioning assembly are fixedly mounted on the front side of the frame (1), a copper sheet material taking assembly located inside the copper sheet carrier assembly is fixedly mounted on the top of the frame, a copper sheet transfer assembly matching its specifications is further provided on the outside of the copper sheet material taking assembly, a copper sheet pressing claw assembly is provided above the copper sheet transfer assembly, a middle frame platform assembly located outside the copper sheet pressing claw assembly is fixedly mounted on the top of the frame, and a copper sheet spot welding assembly for performing plane welding on the copper sheet is further provided on the outside of the middle frame platform assembly; A conveying assembly is fixedly installed on the top of the frame, the main body of the conveying assembly is a loading and unloading belt line, and the top side of the conveying assembly is equipped with a middle frame material guide assembly, the main body of the middle frame material guide assembly is a four-axis robot, the output end of the four-axis robot is fixedly installed with a vacuum suction cup, and the middle frame material guide assembly is arranged above the middle frame platform assembly; the main body of the copper sheet carrier assembly is a copper sheet carrier feeder, and the copper sheet picking assembly includes a servo motor and a screw module of matching specifications, eight groups of stepper motors are fixedly installed on the screw module, and a suction nozzle is fixedly installed at the bottom end of each group of stepper motors; The copper sheet transfer assembly is provided with a set of screw modules and servo motors with matching specifications, and a transfer platform is fixedly installed on the top of the screw module; the middle frame platform assembly is provided with a set of matching screw modules and servo motors, and a middle frame fixture is fixedly installed on the top of the screw module; the copper sheet spot welding assembly is equipped with three sets of matching screw modules and servo motors, and the copper sheet spot welding assembly is also provided with a laser kit for laser spot welding of copper sheets. The three sets of servo motors are uniformly modeled as X2MH040A-N2LN, which can perform three-axis adjustment on the laser kit; The copper sheet pressing claw assembly is provided with a cylinder and a guide rail adapted to its specifications, and the copper sheet pressing claw assembly is also provided with a pressing claw for pressing and limiting the copper sheet; a code scanning frame is fixedly installed on the top of the frame, and the code scanning frame is equipped with a main code scanning component for MES scanning the QR code on the top side of the copper sheet and a secondary code scanning component for MES scanning the bottom side of the copper sheet; the copper sheet positioning component, the copper sheet material taking component and the copper sheet transfer component are all provided with CCD cameras for visual positioning of the copper sheet.

2. The flat welding device for mobile phone middle frame copper sheet according to claim 1, characterized in that: The rack includes electric control, air source, control panel, door safety interlock, and air filtration.

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